Song, Xiaolei
Wang, Yu
Liu, Su
Zhang, Xue
Wang, Haiwang
Wang, Jingfeng
Huang, Jiadong http://orcid.org/0000-0002-0567-881X
Funding for this research was provided by:
National Natural Science Foundation of China (31471644)
the Primary Research & Development Plan of Shandong Province (2017GSF220009)
Article History
Received: 10 December 2018
Accepted: 20 December 2018
First Online: 12 January 2019
Compliance with ethical standards
: The author(s) declare that they have no competing interests.